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Debt (Details) - Long-term debt (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Debt (Details) - Long-term debt [Line Items]    
Line of credit with FGI $ 2,258 $ 5,476
Debt, Total 9,807 13,054
Less current portion (2,258) (5,576)
Long-term debt, net of current portion 7,549 7,478
1.5 million Shareholder Note Due 2015 [Member]
   
Debt (Details) - Long-term debt [Line Items]    
Shareholder note due 2015 1,586 1,638
3.0 million 8% Subordinated Convertible Shareholder Notes Due 2016 [Member]
   
Debt (Details) - Long-term debt [Line Items]    
$3.0 million, 8% subordinated convertible shareholder notes due 2016 3,000 3,000
3.0 million 8% Shareholder Note Due 2015 [Member]
   
Debt (Details) - Long-term debt [Line Items]    
Shareholder note due 2015 $ 2,963 $ 2,940